1: (0 2 6)

(0)(1 20 18)(2 17 12 10 6 21 4)(3 9 8 7 5)(11 15 13)(14 19 16)

2: (4 6 21)

(0)(1 20 18)(2 17 12 10 6)(3 9 8 7 5)(4)(11 15 13)(14 19 16)(21)

3: (3 9 5)

(0)(1 20 18)(2 17 12 10 6)(3)(4)(5 8 7)(9)(11 15 13)(14 19 16)(21)

4: (2 17 6)

(0)(1 20 18)(2)(3)(4)(5 8 7)(6 12 10)(9)(11 15 13)(14 19 16)(17)(21)